Cortezura 29 



Chalixanthura lewisi Kensley and Snelgrove, 1987 

 Figure 9A-D 



DIAGNOSIS 9 : 3.1 mm. Integument lacking pigment. Antennular flagellum 

 of three articles. Antennal flagellum of seven articles. Maxillipedal endite 

 large, apically acute. Pereopod 1 propodus slightly expanded, palm with few 

 (3) simple setae. Pereopod 7 propodus with two elongate anterodistal fringed 

 spines. Uropodal and telsonic margins serrate. 6: 2.2 mm. Antennular 

 flagellum of 1 1 articles. Antennal flagellum of six articles. Maxilliped re- 

 duced, lacking endite. Pereopod 1, propodal palm with two spines plus seven 

 spines on mesial surface. Pereopod 7 as in 9 . 



RECORDS Barbados, in Madracis mirabilis coral, 9-15 m. 



Chalixanthura scopulosa Kensley, 1984 

 Figure 9E-J 



DIAGNOSIS 9: 2.5 mm. Antennular flagellum of three articles. Antennal 

 flagellum of seven articles. Maxillipedal endite short, not reaching base of 

 palp article 4. Pereopod 1, propodal palm unarmed. Pereopod 7, propodus 

 with single elongate anterodistal fringed spine. Uropodal exopod margin de- 

 eply incised; endopod ovate, margins serrate. Telson elongate-ovate, pos- 

 terior margin serrate. 6: 2.6 mm. Eyes considerably larger and with more 

 ommatidia than in 9 . Antennular flagellum of seven articles. Antennal 

 flagellum of four articles. Pereopod 1 propodal palm with three sensory 

 spines. Uropodal exopod deeply incised. 



RECORDS Carrie Bow Cay, Belize, 0.1 m. 



Cortezura Schultz, 1977 



DIAGNOSIS Eyes smaU, weakly pigmented. Antennular flagellum of two 

 short articles. Antennal flagellum of single article. Mandibular palp of two 

 articles. Maxillipedal palp of two articles, terminal article small; short endite 

 present. Pereopod 1, propodus inflated. Pereopods 4-7 with carpus having 

 anterior margin shorter than posterior. Pleonites 1-5 fused; pleonite 6 dor- 

 sally demarked. Pleopod 1, exopod operculiform. Pleotelson with two basal 

 statocysts. 



